18018-2208 ARA1837

 
 
18h 01m 50.22s -22 08' 30.8" P.A. 289 sep 12.8 mag 11.10,12.20
 
 
Coord 2000
18018-2208
Discov num
ARA1837
Comp
Coord arcsec 2000
18 01 50.22 -22 08 30.8
Date first
1920
Date last
2016
Obs
7
Pa first
289
Pa last
289
P.A. Now (θ)
289°
Sep first
13.3
Sep last
12.8
Sep. Now (ρ)
12.8"
Mag pri
11.10
Mag sec
12.20
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
-001
Sec motion ra
+002
Pri motion dec
-003
Sec motion dec
-002
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.3
Precise sep
12.8
Constellation
Sagittarius
last precise pa
289.3
last precise sep
12.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18018-2208 ARA1837 1998 5 290 13.1 11.10 12.20 D 180150.22-220830.8
18018-2208 ARA1837 1999 6 291 12.9 11.10 12.20 D 180150.22-220830.8
18018-2208 ARA1837 2016 7 289 12.8 11.10 12.20 180150.22-220830.8

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